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Effect of salts on the electrospinning of poly(vinyl alcohol)
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Stanger, Jonathan, Tucker, Nick, Staiger, Mark P., Kirwan, Kerry, Coles, Stuart R., Jacobs, Daniel K., Larsen, Nigel, Hendy, Shaun C. and Brown, Ian W. M. (2009) Effect of salts on the electrospinning of poly(vinyl alcohol). In: International Conference on Advanced Materials and Nanotechnology (AMN-4), Dunedin, New Zealand, Feb 8-12, 2009. Published in: Proceedings of the International Conference on Advanced Materials and Nanotechnology (AMN-4), Vol.1151 pp. 118-122.
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Official URL: http://dx.doi.org/10.1063/1.3203215
Abstract
Fibres with a diameter in the nanometer range were electrospun from aqueous poly(vinyl alcohol) (PVOH). In order to improve the mass deposition rate and decrease the final fibre diameter salts (NaCl, LiCl, LiBr and LiF) were added to the solution. The aim was to increase the charge density and hence increase the electrostatic forces on the fluid. It was found that with increasing salt concentration the charge density did increase. However the mass deposition rate was found to decrease and the final fibre diameter was found to increase. The decrease in mass deposition rate is explained by considering the concept of a virtual orifice. The increase in the final fibre diameter is explained by considering the charge distribution in the jet when it behaves like a conductor compared to when it behaves like an insulator. Both mechanisms result from the increase in conductivity of the PVOH solution without significantly modifying other solution properties when salt is added.
| Item Type: | Conference Item (Paper) |
|---|---|
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) T Technology > TP Chemical technology |
| Divisions: | Faculty of Science > WMG (Formerly the Warwick Manufacturing Group) |
| Journal or Publication Title: | Proceedings of the International Conference on Advanced Materials and Nanotechnology (AMN-4) |
| Publisher: | American Institute of Physics |
| ISSN: | 0094-243X |
| Book Title: | AIP Conference Proceedings |
| Date: | 2009 |
| Volume: | Vol.1151 |
| Page Range: | pp. 118-122 |
| Identification Number: | 10.1063/1.3203215 |
| Status: | Not Peer Reviewed |
| Publication Status: | Published |
| Access rights to Published version: | Restricted or Subscription Access |
| Conference Paper Type: | Paper |
| Title of Event: | International Conference on Advanced Materials and Nanotechnology (AMN-4) |
| Type of Event: | Conference |
| Location of Event: | Dunedin, New Zealand |
| Date(s) of Event: | Feb 8-12, 2009 |
| URI: | http://wrap.warwick.ac.uk/id/eprint/47231 |
Data sourced from Thomson Reuters' Web of Knowledge
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